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Finding the Fourth Proportional to 329,417.53, 493,184.91 and 308,492.17

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Solution

The fourth proportional to 329,417.53, 493,184.91 and 308,492.17 is: 461,856.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,417.53 : 493,184.91 = 308,492.17 : x
  2. Step 2: Convert to fraction form
    329,417.53/493,184.91 = 308,492.17/x
  3. Step 3: Cross multiply
    329,417.53x = 493,184.91 × 308,492.17
  4. Step 4: Simplify right side
    329,417.53x = 152,143,683,097.16
  5. Step 5: Solve for x
    x = 152,143,683,097.16/329,417.53
  6. Step 6: Final answer
    x = 461,856.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.